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Current Peptides News and Events, Peptides News Articles.
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Super fruit fly may lead to healthier humans
Researchers at USC and Caltech slow aging dramatically in fruit flies with a new technique that shows general promise in pharmaceutical development. (2007-06-07)

Yin and yang -- Balance could play key role in progression of Alzheimer's disease
Researchers at Rensselaer Polytechnic Institute are challenging current thinking on the causes and prevention of Alzheimer's disease, offering a new hypothesis that could be the key to preventing this form of dementia. The researchers have found that a specific imbalance between two peptides may be the cause of the fatal neurological disease that affects more than five million people in the United States. (2007-05-29)

New designer lipid-like peptide with lipid nanostructures for drug delivery systems
Scientists from Institute of Biophysics and Nanosystems Research, Austrian Academy of Sciences and of Centre for Biomedical Engineering, Massachusetts Institute of Technology, Cambridge, USA report the study of (2007-05-29)

New NIST reference material for peptide analysis
NIST has issued its first-ever reference material designed to improve the performance and reliability of experiments to measure the masses and concentrations of peptides in biomolecular samples. The new reference material is expected to be an important tool in the analysis of proteins, both for disease diagnosis and drug discovery. (2007-05-25)

The appetite-regulating peptide leptin influences alcohol craving for some alcoholics
The appetite-regulating peptide leptin influences alcohol craving for some alcoholics. (2007-05-24)

UCLA AIDS Institute researchers find a peptide that encourages HIV infection
UCLA AIDS Institute researchers have discovered that when a crucial portion of a peptide structure in monkeys that defends against viruses, bacteria and other foreign invaders is reversed, the peptide actually encourages infection with HIV. The findings, published in the April issue of AIDS Research and Human Retroviruses, could pave the way for the use of such peptides in gene therapy using HIV-based vectors as the delivery method. (2007-05-10)

Scientists identify prion's infectious secret
Prions are highly robust and infectious proteins, most notable for their central role in bovine spongiform encephalopathy, commonly called mad cow disease. But very little is known about how prions form aggregates of malformed proteins that ultimately result in disease. This study provides initial insights into how prions recruit and distort healthy neighboring proteins. (2007-05-09)

UQ research heralds vaccine technology breakthrough
New Queensland research may lead to a groundbreaking vaccine technology that could wipe out an infection that commonly affects young children. (2007-05-07)

Hamilton College researchers discover molecules with potential to treat breast cancer
Hamilton College researchers have identified molecules that have been shown to be effective in the fight against breast cancer. A paper detailing the research, (2007-05-04)

How does soy promote weight loss? University of Illinois scientist finds another clue
Research shows that when soy consumption goes up, weight goes down. A new University of Illinois study may help scientists understand exactly how that weight loss happens. (2007-05-01)

Head and neck cancer vaccine targets proteins to create immune response
Researchers at the University of Pittsburgh Cancer Institute, in collaboration with the Gunma University School of Medicine in Japan, have developed a vaccine strategy for head and neck cancer that targets multiple peptides to activate the immune system to attack tumors. Their findings will be included in a press briefing on cancer vaccines at the annual meeting of the American Association for Cancer Research, April 14-18, at the Los Angeles Convention Center. (2007-04-17)

Cancer vaccines -- Taking a jab at cancer by stimulating the immune system
As the first FDA-approved cancer vaccine, designed to protect against human papillomavirus, has moved from scientific discussion to social debate, other vaccine studies are continuing to make progress. While HPV vaccine efforts had the (2007-04-17)

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex
In a venture once thought to lie outside the reach of science, researchers from Harvard Medical School and Beth Israel Deaconess Medical Center have captured and sequenced tiny pieces of collagen protein from a 68 million-year-old Tyrannosaurus rex. The protein fragments -- seven in all -- appear to most closely match amino acid sequences found in collagen of present day chickens, lending support to a recent and still controversial proposal that birds and dinosaurs are evolutionarily related. (2007-04-12)

Penn scientists engineer small molecules to probe proteins deep inside cell membrane
To probe the secrets of inaccessible transmembrane proteins, researchers at the University of Pennsylvania School of Medicine have designed peptides that are able to bind to specific inner regions, using computer algorithms, and information from existing protein sequence and structure databases. This study looks at how the binding of these designed peptides affects the crucial first steps in blood clotting. (2007-03-30)

Clevidipine during heart surgery improves blood pressure control
Researchers today reported that an investigational anti-hypertensive therapy may perform better in controlling blood pressure than standard treatments for patients undergoing heart surgery, during a presentation at the American College of Cardiology's 56th Annual Scientific Session. Another study found that measuring a certain peptide can help evaluate dyspnea (shortness of breath) as heart- or lung-related in the general population. (2007-03-27)

MRI contrast agent can detect heart attack in the making
Scientists at New York's Mount Sinai Medical Center and the New York University School of Medicine have developed a new imaging technique that allows physicians to peer directly into patients' blood vessels and find dangerous cholesterol-filled plaques before they rupture and cause a heart attack. In animal tests, the new technique improved cholesterol detection by 79 percent. The research will be presented in March at the American Chemical Society national meeting in Chicago. (2007-03-27)

Soy-based product explored as nontoxic substitute for important but toxic reactive compound
Isocyanates are important to many products we take for granted -- from paint to spandex running shorts. But the high reactivity for which the chemical group is valued also makes this compound toxic when breathed. A Virginia Tech graduate student has created macromolecules with comparable reactivity using soy-based chemistry. (2007-03-27)

6 universities collaborate to study biologically assembled quantum electronic systems
The US Department of Defense is awarding a team of nine professors from six universities including UCLA $6 million over five years to exploit precise biological assembly for the study of quantum physics in nanoparticle arrays. This research will help to produce a fundamental understanding of quantum electronic systems, which could impact the way future electronics are created. (2007-03-19)

U of M to lead 6-university effort to use biology to advance quantum physics and electronics
The US Department of Defense has awarded a team of nine scholars from six universities a grant of $6 million over five years to exploit precise biological assembly techniques for the study of quantum physics in nanoparticle arrays. (2007-03-19)

Study advances evidence for receptor's role in alcohol pleasure and problems
A genetic variant of a receptor in the brain's reward circuitry heightens the stimulating effects of early exposures to alcohol and increases alcohol consumption, according to a new study by NIAAA researchers. Conducted in rhesus monkeys, the study extends previous research that suggests an important role for a similar brain receptor variant in the development of human alcohol use disorders. The findings appear in the March 2007 issue of the Archives of General Psychiatry. (2007-03-06)

Natural antibiotics yield secrets to atom-level imaging technique
Frog skin and human lungs hold secrets to developing new antibiotics, and a technique called solid-state NMR spectroscopy is a key to unlocking those secrets. (2007-03-03)

Ingredient in Big Macs and sodas can stabilize
The potential of gold nanoparticles to detect and treat cancer has been hindered by the difficulty of making them in a stable, nontoxic form that can be injected into a patient. New research at the University of Missouri-Columbia has found that a plant extract can be used to overcome this problem, creating a new type of gold nanoparticle that is stable and nontoxic and can be administered orally or injected. (2007-02-26)

Depression increases health risks in heart failure patients
Psychological depression appears to contribute to worse medical outcomes for patients with heart failure, ranking it in importance with such risk factors as high cholesterol, hypertension, and even the ability of the heart to pump blood throughout the body. (2007-02-26)

NIH funds innovative alzheimer's research initiated at UCSB
A completely new approach to the study of Alzheimer's disease, initiated by a professor at the University of California, Santa Barbara, may solve a critical piece in the puzzle of the disease. This tragic neurological illness progressively erases memory in its millions of victims. The key to the new approach is understanding the way certain proteins in the brain fold, or rather (2007-02-14)

Psychologist explains the neurochemistry behind romance
The Beatles' George Harrison wondered in his famous love song about the (2007-02-12)

Vitamin D3 provides the skin with protection from harmful microbes
A new study to be published in the Journal of Clinical Investigation shows that wounding of the skin of humans triggers the production (by skin cells known as keratinocytes) of the active form of vitamin D3, which, in turn, induces an immune response that includes the production of antimicrobial peptides, such as cathelicidin, and the upregulation of receptors that recognize microbial components, such as TR2 and CD14. (2007-02-08)

Man-made proteins could be more useful than real ones
Researchers have constructed a protein out of amino acids not found in natural proteins, forming a complex, stable structure closely resembling a natural protein. Their findings could help scientists design drugs that look and act like real proteins but won't be degraded by enzymes or targeted by the immune system, as natural proteins are. (2007-02-06)

Yale chemists show that nature could have used different protein building blocks
Chemists at Yale have done what Mother Nature chose not to -- make a protein-like molecule out of non-natural building blocks, according to a report featured early online in the Journal of the American Chemical Society. The scientists now report evidence that nature could have used different building blocks -- beta-amino acids -- and show that peptides assembled from beta-amino acids can fold into structures much like natural protein. (2007-02-05)

Decoy pill saves brain cells
A decoy version of a brain receptor fools a toxic enzyme, breaking a feedback loop that leads to widespread neuron death in stroke, Alzheimer's and other degenerative diseases. (2007-01-31)

Buckyballs used as 'passkey' into cancer cells
Rice University chemists and Baylor College of Medicine pediatric scientists have discovered how to use buckyballs as passkeys that allows drugs to enter cancer cells. Research in the January 21 issue of the journal Organic and Biomolecular Chemistry, describes how the researchers mimicked the techniques used by some viruses to introduce non-toxic bits of buckyball-containing protein into both neuroblastoma and liver cancer cells. (2007-01-18)

High level of cardiac biomarker may help predict risk of CVD events in patients with heart disease
A blood test for patients with coronary heart disease could help predict their risk for subsequent cardiovascular events or death, according to a study in the Jan. 10 issue of JAMA. (2007-01-09)

Repetitive motion speeds nanoparticle uptake
Newly published research by Rice University chemists and North Carolina State University toxicologists finds that repetitive movement can speed the uptake of nanoparticles through the skin. The research is based on in vitro experiments involving animal skin that was exposed to buckyball-containing amino acids. It appears in the January 10 issue of the American Chemical Society's journal Nano Letters. (2007-01-04)

Tarantula venom and chili peppers target same pain sensor
Venom from a West Indian tarantula has been shown to cause pain by exciting the same nerve cells in mice that sense high temperatures and the hot, spicy ingredient in chili peppers, UCSF scientists have discovered. (2006-11-08)

UC given $1 million to develop skin cancer prevention treatment
Aided by a $1 million NCI grant, scientists from the University of Cincinnati collaborate with those at the University of Florida to develop a skin cancer prevention treatment. (2006-11-03)

Scientists identify 36 genes, 100 neuropeptides in honey bee brains
From humans to honey bees, neuropeptides control brain activity and, hence, our behaviors. Understanding the roles these peptides play in the life of a honey bee will assist researchers in understanding the roles they play in their human counterparts. (2006-10-25)

Researchers report initial success in promising approach to prevent tooth decay
A team of researchers report they have created a new smart anti-microbial treatment that can be chemically programmed to seek out and kill a specific cavity-causing species of bacteria, leaving the good bacteria untouched. (2006-10-23)

Yale and NFCR launch Research Center for Cancer Drug Design and Discovery
Yale University and the National Foundation for Cancer Research announced the establishment of an NFCR Center for Anti-Cancer Drug Design and Discovery to develop new beta-peptide inhibitors that will play critical roles in the fight against many types of cancer. (2006-10-13)

MIT material stops bleeding in seconds
MIT and Hong Kong University researchers have shown that some simple biodegradable liquids can stop bleeding in wounded rodents within seconds, a development that could significantly impact medicine. (2006-10-10)

Food or its expectation sparks brain's hunger centers
The concept of whetting the appetite by serving hors d'oeuvres before a meal may have a solid scientific basis, according to a new report in the October issue of the journal Cell Metabolism, published by Cell Press. In a study of rats trained to a strict feeding regime, researchers found that brain activity in important hunger centers spiked with the first bites of food. (2006-10-03)

NCI creates network of Clinical Proteomic Technology Centers for cancer research
The National Cancer Institute today announced funding for a major component of its $104 million, five-year Clinical Proteomic Technologies Initiative for Cancer. (2006-09-27)

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